UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AG9LVglPGvJuDwXBpp8ypCY+cP6nf6U2qA6nFoFk0xs=' 
WHERE 
  key_id = '6786305b2bcfee7903b01b52b79033f8a200a644e69ea83cc2532648a6c8b7be' 
  AND (
    token = 'AG9LVglPGvJuDwXBpp8ypCY+cP6nf6U2qA6nFoFk0xs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )